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Finding the Fourth Proportional to 527.58, 791.52 and 202.96

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Solution

The fourth proportional to 527.58, 791.52 and 202.96 is: 304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.58 : 791.52 = 202.96 : x
  2. Step 2: Convert to fraction form
    527.58/791.52 = 202.96/x
  3. Step 3: Cross multiply
    527.58x = 791.52 × 202.96
  4. Step 4: Simplify right side
    527.58x = 160,646.90
  5. Step 5: Solve for x
    x = 160,646.90/527.58
  6. Step 6: Final answer
    x = 304.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.